The invention of the common communication infrastructure known as the optical telegraph line network was built by whom? MCQ with Answer and Explanation

Question
The invention of the common communication infrastructure known as the optical telegraph line network was built by whom?
A. Guglielmo Marconi
B. Samuel Morse
C. Claude Chappe
D. Alexander Graham Bell
Answer: Option C
Solution (By JKSSB Mock Tests)
Chappe constructed a successful nationwide semaphore visual optical tower network across France in the 1790s.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
The invention of the mechanical printing press was dramatically optimized by Gutenberg using an alloy of which metals?
A. Gold and Silver
B. Iron and Carbon
C. Copper and Zinc
D. Lead, Tin, and Antimony
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Correct Answer: Option D

Explanation:
Gutenberg formulated a specialized type metal alloy that melted at low temperatures but resisted high casting pressures.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that the Milky Way is just one of many distinct independent galaxy clusters across space?
A. William Herschel
B. Galileo Galilei
C. Johannes Kepler
D. Edwin Hubble
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Correct Answer: Option D

Explanation:
Hubble identified Cepheid variable stars in the Andromeda Nebula, computing its enormous distance outside our own galactic boundaries.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common maritime signaling system known as the heliograph was optimized by whom?
A. Alexander Graham Bell
B. Sir Henry Christopher Mance
C. Guglielmo Marconi
D. Benjamin Franklin
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Correct Answer: Option B

Explanation:
Mance engineered the specialized flash mirror signaling device in the 1870s for military communications across arid frontier terrain.
This question belongs to: Static General Knowledge Inventions and Discoveries
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